Arm for a dental X-ray apparatus



FIG. 1 is a perspective view of an arm for a dental x-ray apparatus;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawing views are included for the purpose of illustrating portions of the arm for a dental x-ray apparatus that form no part of the claimed design. 

CLAIM The ornamental design for an arm for a dental x-ray apparatus, as shown and described. 